<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>html初体验</title>
</head>
<body>
    <h1>Hello Web 前端你真的很简单~~</h1>
    <button style="background-color: aqua; font-size: 20px; font-weight: bold;" onclick="alert('你是先天编码圣体~~')">天赋预测</button>
</body>
</html>